4002407 has 6 divisors (see below), whose sum is σ = 4224528. Its totient is φ = 3791412.

The previous prime is 4002403. The next prime is 4002431. The reversal of 4002407 is 7042004.

It is not a de Polignac number, because 4002407 - 2² = 4002403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5183 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (704088).

Almost surely, 2^4002407 is an apocalyptic number.

4002407 is a deficient number, since it is larger than the sum of its proper divisors (222121).

4002407 is a wasteful number, since it uses less digits than its factorization.

4002407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125 (or 11106 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 4002407 is about 2000.6016595015. The cubic root of 4002407 is about 158.7719394317.

The spelling of 4002407 in words is "four million, two thousand, four hundred seven".